The advance decline line for the NYSE or Nasdaq. This is a figure composed of a net sum of the number of advancing stocks minus the number of declining stocks at any given moment in each of the two respective markets.

If ShadowTrader is initiating a position “at the market” it simply means that limit orders are not being used and the position is being entered with no regard to price. This is used much more often on more liquid Nasdaq issues.

15 minute charts. The primary timeframe utilized by ShadowTrader for intraday (day) trading.

Hourly charts

The twenty period moving average, often discussed in the context of a certain timeframe such as 15 minute chart or daily chart. All moving averages discussed in ShadowTrader are SIMPLE and not EXPONENTIAL.

Fifty period moving average

Two hundred period moving average, a key level especially on longer timeframes that many institutions trade against.

Referring to the body of a candlestick or the area that is between its open and close, disregarding its swing highs and lows which are represented by the shadows or wicks.

A measure of volatility of a security in comparison to the market as a whole. In the broadcast we often say the stock has “big beta” when its a very volatile mover.

A market event that is completely unpredictable and often without historical precedent. The sell-off on 2/27/07 would be considered a “black swan” event. By the same token the advance that followed it within three weeks pushing the market quickly back over the highs of 2/27 and much further could also be characterized this way.